TM 55-1520-240-23-9
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BENCH TEST AFCS COCKPIT CONTROL DRIVE ACTUATOR (CCDA) (AVIM)
(Continued)
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TEST 5
BRAKE FUNCTION TEST (PITCH)
NOTE
Perform preliminary procedures before
test. (Refer to TM 55-4920-430-13.)
44.
Set TESTER POWER switch (3) to ON. The
following lamps shall be on:
a.
115V 400 HZ lamp (4).
b.
+28VDC lamp (5).
c.
+5VDC lamp (6).
d.
+15VDC lamp (7).
e.
-15VDC lamp (8).
45.
Set AFCS POWER switches (9 and 10) to ON.
The following lamps shall be on:
a.
115V 400 HZ lamp (11).
b.
+28VDC lamp (12).
c.
5VAC lamp (13).
46.
Set CCDA BRAKE switch (14) to 1.
47.
Set CCDA CLUTCH switch (15) to 0.
48.
Move output arm (16) to center position.
49.
Attach indicating scale (17) to arm (16). Apply
clockwise force to arm. Pull 90º to arm. Force to
move arm shall not be more than 3 pounds.
49.1.
Apply counterclockwise force to arm (16). Pull
90º to arm. Force to move arm shall not be more
than 3 pounds.
NOTE
Normal travel of arm is from center
position to 45º clockwise.
49.2.
Repeat steps 49 and 49.1 for three positions of
arm (16) normal travel.
49.3.
Set output arm (16) to center.
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